008
FNCA52 TJSJ 230730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST THU APR 23 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-232000-
SOUTHEAST COASTAL PLAINS-
330 AM AST THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 20 50
TEMP (24H TREND) 86 (0) 69 (0) 86
RH % (24H TREND) 47 (-8) 85 (-3) 41
WIND 20FT/EARLY(MPH) E 9 E 8 E 9
WIND 20FT/LATE(MPH) SE 10 NE 8 SE 9
MIXING HGT(FT-AGL/MSL)4880 4670
TRANSPORT WND (MPH) E 3 SE 6
VENT RATE (KT-FT) 14640 23350
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-232000-
SOUTHERN HILLS-
330 AM AST THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 40 40
TEMP (24H TREND) 83 (+2) 65 (-1) 84
RH % (24H TREND) 56 (-4) 94 (+4) 58
WIND 20FT/EARLY(MPH) E 6 NE 8 E 6
WIND 20FT/LATE(MPH) SE 8 NE 6 SE 8
MIXING HGT(FT-AGL/MSL)5860 5660
TRANSPORT WND (MPH) E 3 E 5
VENT RATE (KT-FT) 17580 22640
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-232000-
NORTH COASTAL PLAINS-
330 AM AST THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 50
TEMP (24H TREND) 86 (+1) 69 (0) 86
RH % (24H TREND) 55 (-4) 90 (0) 57
WIND 20FT/EARLY(MPH) E 6 E 9 E 6
WIND 20FT/LATE(MPH) NE 11 SE 9 E 11
MIXING HGT(FT-AGL/MSL)4830 4460
TRANSPORT WND (MPH) E 6 E 5
VENT RATE (KT-FT) 24150 17840
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-232000-
NORTHERN HILLS-
330 AM AST THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 50 70
TEMP (24H TREND) 84 (+1) 67 (0) 85
RH % (24H TREND) 55 (-4) 92 (-2) 59
WIND 20FT/EARLY(MPH) E 6 E 8 E 5
WIND 20FT/LATE(MPH) NE 9 SE 8 NE 8
MIXING HGT(FT-AGL/MSL)5800 5240
TRANSPORT WND (MPH) E 3 E 2
VENT RATE (KT-FT) 17400 10480
DISPERSION 5 4
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-232000-
WEST COAST-
330 AM AST THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 70 40
TEMP (24H TREND) 86 (0) 69 (+1) 87
RH % (24H TREND) 56 (-2) 91 (+1) 56
WIND 20FT/EARLY(MPH) E 6 E 11 E 6
WIND 20FT/LATE(MPH) SW 8 E 11 S 6
MIXING HGT(FT-AGL/MSL)4650 4640
TRANSPORT WND (MPH) SE 2 SE 3
VENT RATE (KT-FT) 9300 13920
DISPERSION 4 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-232000-
EASTERN INTERIOR-
330 AM AST THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 10 40
TEMP (24H TREND) 84 (+2) 66 (-2) 85
RH % (24H TREND) 55 (-4) 94 (+4) 58
WIND 20FT/EARLY(MPH) E 6 E 8 E 5
WIND 20FT/LATE(MPH) E 9 SE 6 E 9
MIXING HGT(FT-AGL/MSL)6800 6730
TRANSPORT WND (MPH) E 5 SE 5
VENT RATE (KT-FT) 27200 26920
DISPERSION 5 5
DSI 6 1 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-232000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 30
TEMP (24H TREND) 80 (+3) 64 (-3) 80
RH % (24H TREND) 59 (-5) 98 (+7) 63
WIND 20FT/EARLY(MPH) E 6 E 6 LGT/VAR
WIND 20FT/LATE(MPH) E 8 LGT/VAR SE 8
MIXING HGT(FT-AGL/MSL)4810 4640
TRANSPORT WND (MPH) E 5 SE 5
VENT RATE (KT-FT) 19240 18560
DISPERSION 5 4
DSI 6 1 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-232000-
CENTRAL MOUNTAIN RANGE-
330 AM AST THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 70 70
TEMP (24H TREND) 82 (+3) 64 (0) 84
RH % (24H TREND) 58 (-4) 94 (-1) 60
WIND 20FT/EARLY(MPH) E 5 E 9 LGT/VAR
WIND 20FT/LATE(MPH) NE 6 SE 6 LGT/VAR
MIXING HGT(FT-AGL/MSL)6910 6160
TRANSPORT WND (MPH) NW 2 E 2
VENT RATE (KT-FT) 13820 12320
DISPERSION 4 4
DSI 6 1 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-232000-
CAYEY MOUNTAIN RANGE-
330 AM AST THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 40
TEMP (24H TREND) 81 (+2) 65 (-1) 81
RH % (24H TREND) 59 (-3) 98 (+5) 62
WIND 20FT/EARLY(MPH) E 6 E 6 E 5
WIND 20FT/LATE(MPH) SE 8 E 5 SE 6
MIXING HGT(FT-AGL/MSL)5460 5470
TRANSPORT WND (MPH) E 5 SE 5
VENT RATE (KT-FT) 21840 21880
DISPERSION 5 5
DSI 6 1 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-232000-
VIEQUES-
330 AM AST THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 30
TEMP (24H TREND) 85 (0) 72 (-2) 85
RH % (24H TREND) 52 (-2) 83 (+6) 58
WIND 20FT/EARLY(MPH) E 8 E 9 E 5
WIND 20FT/LATE(MPH) E 9 E 9 E 9
MIXING HGT(FT-AGL/MSL)3540 3010
TRANSPORT WND (MPH) NE 8 E 7
VENT RATE (KT-FT) 24780 18060
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-232000-
CULEBRA-
330 AM AST THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 10 30
TEMP (24H TREND) 86 (+1) 74 (-1) 86
RH % (24H TREND) 52 (-3) 83 (+7) 56
WIND 20FT/EARLY(MPH) E 8 E 9 E 6
WIND 20FT/LATE(MPH) E 8 E 9 E 9
MIXING HGT(FT-AGL/MSL)3540 2950
TRANSPORT WND (MPH) E 9 E 7
VENT RATE (KT-FT) 28320 17700
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-232000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 30
TEMP (24H TREND) 87 (+1) 70 (0) 88
RH % (24H TREND) 44 (-10) 90 (+5) 41
WIND 20FT/EARLY(MPH) E 9 E 9 E 9
WIND 20FT/LATE(MPH) SE 9 E 9 SE 10
MIXING HGT(FT-AGL/MSL)4940 4750
TRANSPORT WND (MPH) SE 3 SE 7
VENT RATE (KT-FT) 14820 28500
DISPERSION 4 5
DSI 5 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-232000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 10 0 20
TEMP (24H TREND) 85 (+1) 73 (-2) 85
RH % (24H TREND) 51 (-3) 84 (+9) 57
WIND 20FT/EARLY(MPH) E 8 E 10 E 9
WIND 20FT/LATE(MPH) E 6 E 9 E 9
MIXING HGT(FT-AGL/MSL)3510 2720
TRANSPORT WND (MPH) E 9 E 9
VENT RATE (KT-FT) 28080 21760
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-232000-
ST CROIX-
330 AM AST THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 50 60
TEMP (24H TREND) 86 (+1) 72 (-2) 86
RH % (24H TREND) 53 (-3) 88 (+10) 60
WIND 20FT/EARLY(MPH) E 9 NE 9 E 9
WIND 20FT/LATE(MPH) E 8 E 9 E 6
MIXING HGT(FT-AGL/MSL)4210 3740
TRANSPORT WND (MPH) E 9 E 8
VENT RATE (KT-FT) 33680 26180
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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